单选按钮地提交判断?
觉得很简单可怎么也调不出想要地结果,,真是郁闷:(
哪位看一下,谢谢了
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 1</title>
</head>
<body>
<form name="form1">
1.<br>
<input type="radio" name="R1" value="0">ff
<br>
<input type="radio" name="R1" value="1">ff
<p></p>
2.<br>
<input type="radio" name="R2" value="0">ff
<br>
<input type="radio" name="R2" value="1">ff
<br>
<input type="radio" name="R2" value="0">ff
<p></p>
<div id="choose1" style="display:none">可以看答案啦:)</div>
<p align="center"><input type="button" value="提交答案" onclick="checkform()"></p>
</form>
</body>
<script language="javascript">
function checkform()
{
var rightcount;
for(var i=1; i<=2; i++)
{
var obj=eval("form1.R"+i)
for(var j=0; j<obj.length; j++)
{if(obj[j].checked)
{if(obj[j].value=='1')
rightcount++;}
}
}
//alert(rightcount);
if((rightcount/20)>0.6)
{
if(confirm("你真棒,答对超过60%\n\n确定查看答案吗?"))
choose1.style.display='block';
}
else
alert("你答对:"+"\n只有答对超过60%才可看答案\n加油哦^_^");
}
</script>
</html>